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<head><meta charset="utf-8"><title>I-prioritize #73112 Rustc panics(in some cases) when repr(al · t-compiler/wg-prioritization · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/index.html">t-compiler/wg-prioritization</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html">I-prioritize #73112 Rustc panics(in some cases) when repr(al</a></h3>

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<a name="200064245"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200064245" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200064245">(Jun 08 2020 at 07:13)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> issue <a href="https://github.com/rust-lang/rust/issues/73112">#73112</a> has been requested for prioritization.</p>



<a name="200121973"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200121973" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> DPC <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200121973">(Jun 08 2020 at 16:20)</a>:</h4>
<p>looks p-high to me</p>



<a name="200134790"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200134790" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200134790">(Jun 08 2020 at 18:05)</a>:</h4>
<p>I think this ICE only happens after an error was already emitted and should be fairly rare. I think <code>P-medium</code> should be enough.</p>



<a name="200141320"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200141320" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200141320">(Jun 08 2020 at 18:56)</a>:</h4>
<p>From what I've tested, it happens instead of an error</p>



<a name="200141415"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200141415" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200141415">(Jun 08 2020 at 18:57)</a>:</h4>
<p>I also think <code>P-medium</code> is good, maybe even <code>P-low</code> but given that the legitimate error doesn't get emitted, this could be confusing</p>



<a name="200142004"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200142004" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> DPC <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200142004">(Jun 08 2020 at 19:02)</a>:</h4>
<p>fair <span aria-label="slight smile" class="emoji emoji-1f642" role="img" title="slight smile">:slight_smile:</span></p>



<a name="200142236"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200142236" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200142236">(Jun 08 2020 at 19:04)</a>:</h4>
<p><code>P-medium</code> then?</p>



<a name="200255187"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373112%20Rustc%20panics%28in%20some%20cases%29%20when%20repr%28al/near/200255187" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373112.20Rustc.20panics(in.20some.20cases).20when.20repr(al.html#200255187">(Jun 09 2020 at 16:25)</a>:</h4>
<p>Issue <a href="https://github.com/rust-lang/rust/issues/73112">#73112</a>'s prioritization request has been removed.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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